Answer:
2.55 cm
Step-by-step explanation: If the diameter is 5.1 cm, ten you have to divide that by 2 in order to get the radius.
5.1/2=2.55
Answer:
3
Step-by-step explanation:
Some function [] rounds DOWN a number to the nearest integer. For example [1.5]=1, [2]=2, [-1.5]=-2, ...
Thus [-1.6]+[3.4]+[2.7]=-2+3+2=3.
Answer:
Step-by-step explanation:
Answer:
a
Step-by-step explanation:
(2a²bc²)(5b²c)
= 2 × 5 × a² × b × b² × c² × c
= 10 × a² × b³ × c³
= 10a²b³c³
So, Jerome bought a total of 80 cards (8x10) out of which he gave out 30 cards (3x10) so he has 50 cards left. (80-30)